8103706420 has 12 divisors (see below), whose sum is σ = 17017783524. Its totient is φ = 3241482560.

The previous prime is 8103706399. The next prime is 8103706423. The reversal of 8103706420 is 246073018.

It can be written as a sum of positive squares in 2 ways, for example, as 2407079844 + 5696626576 = 49062^2 + 75476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8103706423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202592641 + ... + 202592680.

It is an arithmetic number, because the mean of its divisors is an integer number (1418148627).

Almost surely, 2^8103706420 is an apocalyptic number.

It is an amenable number.

8103706420 is an abundant number, since it is smaller than the sum of its proper divisors (8914077104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8103706420 is a wasteful number, since it uses less digits than its factorization.

8103706420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405185330 (or 405185328 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 8103706420 is about 90020.5888672141. The cubic root of 8103706420 is about 2008.6051244835.

Adding to 8103706420 its reverse (246073018), we get a palindrome (8349779438).

The spelling of 8103706420 in words is "eight billion, one hundred three million, seven hundred six thousand, four hundred twenty".